<objective Track Claude API costs across sessions with budget alerts, model routing optimization, and spend reporting. Integrates with workflow-orchestrator's cost gate for automated budget enforcement. </objective <quick start Check current spend: Initialize tracking: </quick start <success criteria - Daily cost tracking initialized at - Budget alerts fire at 50% (info), 80% (warn), and 95% (block) thresholds - Model routing applied: Haiku for search/classify, Sonnet for code, DeepSeek for bulk - Cost-per-feature metric available via portfolio-artifact integration - Monthly spend stays withi…